2111065172 has 12 divisors (see below), whose sum is σ = 3695590080. Its totient is φ = 1055182296.

The previous prime is 2111065169. The next prime is 2111065181. The reversal of 2111065172 is 2715601112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73772 + ... + 98307.

It is an arithmetic number, because the mean of its divisors is an integer number (307965840).

Almost surely, 2^2111065172 is an apocalyptic number.

It is an amenable number.

2111065172 is a deficient number, since it is larger than the sum of its proper divisors (1584524908).

2111065172 is a wasteful number, since it uses less digits than its factorization.

2111065172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175150 (or 175148 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 2111065172 is about 45946.3292549035. The cubic root of 2111065172 is about 1282.8244052675.

Adding to 2111065172 its reverse (2715601112), we get a palindrome (4826666284).

The spelling of 2111065172 in words is "two billion, one hundred eleven million, sixty-five thousand, one hundred seventy-two".